A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
The average sperm cell swims at 8 inches per hour.
4
Your thumb is about the same size as your nose.
124
Human hair and fingernails continue to grow after death.
7
The average person's skin weighs twice as much as their brain.
131
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Poor eyesight (myopia) is associated with higher IQ.
232